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The top documents tagged [species of skates]
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Cartilaginous Fishes Cartilaginous fishes (Chondrichthyes) have a skeleton made not of bone, but of cartilage, which is lighter and more flexible than
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Cartilaginous Fishes
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Marine Fishes Pelagic organisms that can actively swim (against a current) are known as nekton Nekton include some invertebrates such as cephalopods and
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